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Heatsink not gaining heat, cpu 50 degrees

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August 9, 2013 2:23:11 PM

I'm using an Evo 212 The heatsink is cold. it does make contact and I didn't use too much paste as far as I know. what's the problem here?

AMD 4 750k CPU
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August 9, 2013 2:38:04 PM

Is that at idle or under load? Under load, that is fine.
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August 9, 2013 2:47:57 PM

USAFRet said:
Is that at idle or under load? Under load, that is fine.


I wouldn't be so scared of this if it were under load. It's idle sadly.
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August 9, 2013 2:52:34 PM

Was the EVO brand new when you installed it (as in, is this the first application of the EVO)? Just making sure - did you remove the sticker that covers the heatpipe contact surface before installation?
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August 9, 2013 2:53:44 PM

Bas Eikhout said:
USAFRet said:
Is that at idle or under load? Under load, that is fine.


I wouldn't be so scared of this if it were under load. It's idle sadly.


I just felt the top of my 212 PLUS, and it is quite cool. Idle temp ~32C, Prime95 load ~62C.

That 50C is troubling, though.
What is the ambient temp around the PC? How is cable management and airflow?
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August 9, 2013 2:55:43 PM

USAFRet said:
Bas Eikhout said:
USAFRet said:
Is that at idle or under load? Under load, that is fine.


I wouldn't be so scared of this if it were under load. It's idle sadly.


I just felt the top of my 212 PLUS, and it is quite cool. Idle temp ~32C, Prime95 load ~62C.

That 50C is troubling, though.
What is the ambient temp around the PC? How is cable management and airflow?



Ambient temp is 20~30 degrees. not even. Cablemanagement is ..."okay" and my baseplate and pipes @ the bottom aren't even warm.
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August 9, 2013 2:57:21 PM

MercJ said:
Was the EVO brand new when you installed it (as in, is this the first application of the EVO)? Just making sure - did you remove the sticker that covers the heatpipe contact surface before installation?


It was new monday. I have reseated it around 5x since. I don't use too much paste. I used the pea size method I use the double stripes on cooler I used every possible way except for making it smooth yourself. I use the coolers pressure. I'm 100%sure it touches the cpu too.
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August 9, 2013 3:01:57 PM

How is the temperature reported? Software? BIOS? (Are you confident the idle temperature is being accurately reported?)
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August 9, 2013 3:04:31 PM

MercJ said:
How is the temperature reported? Software? BIOS? (Are you confident the idle temperature is being accurately reported?)


With CPUID HWMonitor. I can't even add/see fans except GPU and HDD in Speedfan, Bios reported 40 degrees when I booted it up. started @ 34 ramped up to 40 within 2 min.



Could It also be my sensor? It stays a 40 degrees steady in bios, but jumps way up once in Desktop.
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Best solution

August 11, 2013 10:23:45 AM

Honestly, it may be tough to tell at this point - I would say either the heatsink is faulty (heatpipes crimped at all? bent anywhere? dents/etc.?) or the contact pressure isn't high enough (this is of course assuming everything else is good - installation/thermal paste/etc.). I would see if you can find other software to "get a second opinion" on the CPU temps (open hardware monitor may work as well, coretemp, etc.). Once that's verified then remove the heatsink, clean the surfaces (preferably with some thermal paste remover) and reapply thermal paste and the EVO. Can you try the stock cooler as well? If you get better temps with the stock cooler (which you should at idle, depending on ambient temps), then you can begin to suspect there's something wrong with your EVO or installation.

You could check around and see if others have had issues with that chip reporting inaccurate temps as well. If you have access to an infrared thermometer you could get another perspective on temps too. I know that's a lot of troubleshooting for a small problem, but if you want to know.... :) 
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